The film takes place aboard an American submarine in the Pacific during World War II. The sub's commander is ordered to stop and pick up an underwater demolition team led by Lt. Hayes, whose mission is to locate and destroy a US submarine sunken in a lagoon off Bikini Atoll before the Japanese are able to raise it and capture the advanced radar system on board.

A young cavalry officer is assigned the job of bringing in a band of Apaches who have been terrorizing the countryside.

George Abitbol, the classiest man in the world, dies tragically during a cruise. The director of an American newspaper, wondering about the meaning of these intriguing final words, asks his three best investigators, Dave, Peter and Steven, to solve the mystery. (Sixteen French actors dub scenes from various Warner Bros. films to create a parody of Citizen Kane, 1941.)